5306-00-003-0576, BOLT,SHOULDER

5306-00-003-0579 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-003-0576

Federal Supply Class:
5306

National Item Identification Number:
000030576

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.

Manufacturer Information:

A51C43570-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51C43570-13	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51C43570-13	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.407 INCHES MINIMUM AND 1.417 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.528 INCHES NOMINAL
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.140 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8949 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP D6AC OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SHOULDER DIAMETER	0.4356 INCHES MINIMUM AND 0.4362 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER LENGTH	1.199 INCHES MINIMUM AND 1.209 INCHES MAXIMUM FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.319 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	24

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